On 02/06/2017 11:29 PM, Dexuan Cui wrote: >> From: linux-block-ow...@vger.kernel.org [mailto:linux-block- >> ow...@vger.kernel.org] On Behalf Of Dexuan Cui >> with the linux-next kernel. >> >> I can boot the guest with linux-next's next-20170130 without any issue, >> but since next-20170131 I haven't succeeded in booting the guest. >> >> With next-20170203 (mentioned in my mail last Friday), I got the same >> calltrace as Hannes. >> >> With today's linux-next (next-20170206), actually the calltrace changed to >> the below. >> [ 122.023036] ? remove_wait_queue+0x70/0x70 >> [ 122.051383] async_synchronize_full+0x17/0x20 >> [ 122.076925] do_init_module+0xc1/0x1f9 >> [ 122.097530] load_module+0x24bc/0x2980 > > I don't know why it hangs here, but this is the same calltrace in my > last-Friday mail, which contains 2 calltraces. It looks the other calltrace > has > been resolved by some changes between next-20170203 and today. > > Here the kernel is trying to load the Hyper-V storage driver (hv_storvsc), and > the driver's __init and .probe have finished successfully and then the kernel > hangs here. > > I believe something is broken recently, because I don't have any issue before > Jan 31.
Can you try and bisect it? -- Jens Axboe
